Fire-rated sealing and fire stopping in Charlton, Hampshire
Fire-rated and intumescent sealing of service penetrations and linear gaps across Charlton, by CSCS-carded applicators. CHAS accredited and fully insured.
- Fire sealant pulled out of the opening
- Service penetrations left open after M&E works
- Openings found when ceilings come down for a refit
Fire stopping for businesses in Charlton
Tell us what needs sealing and where, with photos or drawings if you have them, and we’ll price it.
Fire stopping for commercial buildings in Charlton
On a fit-out or refurbishment, we follow the services contractors floor by floor. To price a package, phone 01277 525 020 or use the quote form with the schedule or marked-up drawings and the specified product data. Tell us what records you need and we will confirm with the quote. The enquiries we see most involve open linear gaps along the top of fire-resisting walls and service penetrations left open after M&E works, on joints between fire-resisting walls and floors, small duct penetrations where the tested detail allows and cable penetrations. For commercial sealant work in Charlton, you deal with one contact from quote to sign-off, whether it’s one building or several.
Smaller places such as Charlton still have buildings with fire-resisting walls and floors: schools, halls, care homes and commercial conversions. Any service penetration through those walls should be closed with the specified product, set out as its test evidence shows.
We stand by our work with a 12-month guarantee. It covers how we prepared and applied the sealant, and we come back if anything isn’t right.
- Where
- Charlton (SP10)
- Wider area
- Hampshire
- Cover
- A 12-month guarantee
- Quote
- A fixed quote before we start
- Call
- 01277 525 020
- Updated
- 3 November 2026
Different surfaces, different methods
Risers and ceiling voids
Openings above suspended ceilings are easy to miss. We work through the areas on your schedule methodically, and note anything we find that isn’t on it.
Drylining partitions
Plasterboard partitions are tested as a specific construction. The sealant detail has to be tested in that wall type, with the stated board layers first.
How a job runs
Site rules come first: sign-in, induction and whatever permit system the building uses. Once we’re cleared to begin, the joints are worked through in the order agreed with your site contact, and each area is checked before we leave it. For a building around Charlton, tell us how to find it and who will meet us. Send that with the details and we’ll confirm the plan with the quote.
- First we confirm the product and tested details named in the specification.
- Openings are measured and grouped by detail.
- Improvised fillers and failed sealant are removed.
- Mineral wool or other backing is fitted where required.
- Fire-rated or intumescent sealant goes in around the services and is tooled off.
- Completed areas are checked with you, with the records agreed when we quoted.
Preparing the site
- Explain the parking and delivery arrangements
- Let us know about inductions and permits
- Clear stock, furniture or equipment away from the joints
Get a fixed quote
The quickest route to a quote is a few photographs and the site postcode. Upload them with the quote form, or speak to us on 01277 525 020 or send photos by email if you’d rather talk the job through.
Advice
Towns and villages near Charlton
Other services in Charlton
What sealant work can’t fix
Honesty saves time and money. New sealant won’t cure:
- Approving the work on behalf of building control
- Writing the fire-stopping specification
- Reviewing a building’s overall fire safety
If you are not sure, just phone 01277 525 020 or send details through our quote form and we will give you a straight answer before you book.
Joints and surfaces we work on
- Service gaps in risers
- Linear gaps at wall heads
- Cable penetrations
- Joints between fire-resisting walls and floors
- Small duct penetrations where the tested detail allows
- Pipe penetrations
When to bring in a specialist
A short, simple internal joint is often within reach of a maintenance team. Where it goes wrong is preparation: sealing over old material, sealing onto damp or dusty surfaces, or a product that can’t take the movement.
For most general trades, sealant is a sideline. A specialist brings correct preparation, depth control with backing rod and a product suited to that particular joint.
Questions about Charlton
Can you seal penetrations in a hotel in Charlton after a refit?
Yes, where fire-rated sealant is the specified product. It goes in to the manufacturer’s tested detail for the wall or floor and the services passing through, and we’ll tell you if the detail calls for a collar, wrap or batt instead.
How does the removal of BS 476 from Approved Document B affect fire-rated sealing in Charlton?
Approved Document B loses its BS 476 references from 2 September 2029, and BS EN 13501-2 becomes the route, subject to transitional arrangements. The designer or fire engineer sets the specification, and we install the product to the manufacturer’s tested detail.
Does the weather affect the work?
It can, when the joints are outside. Sealant won’t bond properly to a wet or frosty joint, so external work may be moved if conditions aren’t right. Indoors, the weather is rarely a problem.
Are you CHAS accredited?
Yes. We’re CHAS accredited, we are a Constructionline member and we use CSCS-carded applicators.
Are your applicators CSCS-carded?
Yes. If you need card details for site access, tell us and we’ll confirm them with the quote.
Can you handle several sites?
Yes. We take on portfolio and planned maintenance work, planned site by site to suit how each building is used.
Do you have public liability insurance?
Yes. Our insurance certificate can be sent alongside the quote.
Signs you need fire stopping in Charlton
Plenty of openings were simply never closed, often hidden above suspended ceilings or behind boxing. Inspections, refurbishments and ceiling access normally bring them to light.
Site and facilities staff are often the first to spot these:
- Fire-stopping items raised at inspection or handover
- Unsealed openings around new pipes and cables
- Head-of-wall gaps with no fire seal
- Improvised or mixed-product fire seals
Hotels such as The Globe Hotel (1.4 miles south-east of Charlton) rely on fire-resisting walls between bedrooms and corridors, and refits that add services leave penetrations to seal where fire-rated sealant is specified.
Questions to ask before you book
- Their approach to joint depth and backing
- The named product and why it was chosen
- Whether old or failed sealant will be cut out, not overlaid
- Whether primer will be used where the manufacturer specifies it
Leave it or put it right?
An open or wrongly sealed service penetration lets fire and smoke reach the next compartment much sooner than the building was designed for. While the openings can be reached, sealing them is normally straightforward. Wait until ceilings close or areas are occupied and the same work becomes harder to reach. Older rural buildings around Charlton move with the seasons, and rigid or tired sealant can’t keep up. A sealant with the right movement capability, correctly sized, lasts far better.
A quote for service penetrations depends on how many there are, their condition and the access, and any specification that applies. Ask us for a fixed quote.
Why choose Mastic Doctor in Charlton
- Our applicators hold CSCS cards
- Clear, fixed quotes
- Failed material removed, not covered up
- One number for every site we cover
Compartments and services around Charlton
Fire stopping of openings and penetrations in England falls under Approved Document B. The national BS 476 classes are due to drop out of it from 2 September 2029, leaving the European BS EN 13501-2 route, subject to transitional arrangements. What we install is set by the specification, and it goes in to the tested detail. A 2-mile radius around Charlton takes in a number of hotels. A hotel refit often runs new services through compartment walls between bedrooms and corridors, and each opening needs the specified seal.
In a retail centre such as Enham Arch Retail Park, 1.1 miles east of Charlton, any fire-resisting wall between units that is crossed by new services needs sealing to the tested detail. Theatres, wards and plant rooms at sites like Andover War Memorial Hospital (to the south-east of Charlton) all have compartment walls crossed by services.
Charlton is about 1 mile north-west of Andover, in Hampshire. Charlton sits inside our coverage, with the same fixed quotes and 12-month guarantee as everywhere else. Charlton is one of 723 places we cover in Hampshire. We also cover Southampton, around 22 miles from Charlton.
Commercial sites across SP10 are covered for service penetrations. Among the streets we cover are Dacre Close, Home Farm Gardens and Augustine Way. Nearby places we also cover include Foxcotte (1 mile north-west), Penton Mewsey (1 mile west), Penton Corner (1 mile west), Penton Grafton (1 mile west) and Red Post Bridge (2 miles south-west) for service penetrations. Bigger towns within reach include Winchester (14 miles south-east), Hyde (13 miles south-east), Tidworth (7 miles west), Weeke (13 miles south-east), Stanmore (14 miles south-east) and Ludgershall (6 miles north-west).
Around Charlton
In Charlton, that means premises near Portway Infant School. Charlton’s nearest station is Andover station, roughly 0.8 miles south-east of the centre. Nearby you will also find Andover War Memorial Hospital (0.5 miles south-east) and Andover Museum (1.3 miles south-east). Open spaces near Charlton include Anton Lakes and Mill Lake.